package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import javax.validation.ValidationException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static sun.rmi.transport.TransportConstants.Return;

/**
 * @author ming
 * @create 2022/4/23
 * @description: 全局异常处理
 */
@Slf4j
@RestControllerAdvice(basePackages="com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    @ExceptionHandler(value= {MethodArgumentNotValidException.class})
    public R handleValidException(MethodArgumentNotValidException e){
      log.error("数据校验出现问题{},异常类型{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        List<FieldError> fieldErrors = bindingResult.getFieldErrors();
        Map<String,String> errorMap = new HashMap<String,String>();
        for (FieldError fieldError : fieldErrors) {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        }
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data",errorMap);
    }
    @ExceptionHandler(value={ValidationException.class})
    public R handleValidExceptionByGroup(ValidationException e){

        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg());
    }
    @ExceptionHandler(Throwable.class)
    public R handleException(Throwable e){
        
        log.error("异常类型{}",e.getClass());
        log.error("exception-->{}",e);
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }
}
